Chain bar roundabouts, also known as mini-roundabouts or tight roundabouts, are becoming increasingly prevalent on roads worldwide. These compact intersections offer numerous advantages, including improved traffic flow, reduced congestion, and enhanced pedestrian and cyclist safety.
Chain bar roundabouts are characterized by a central island surrounded by a raised, curb-like structure known as a chain bar. This bar physically separates vehicles entering and exiting the roundabout, guiding them in a counterclockwise direction.
Numerous studies have demonstrated the significant benefits of chain bar roundabouts:
Approaching a chain bar roundabout, follow these steps for a safe and efficient experience:
Chain bar roundabouts offer numerous benefits over traditional intersections. By understanding their operation and following safe driving practices, you can navigate these intersections safely and efficiently.
Spread the word about chain bar roundabouts and their advantages. Encourage your friends, family, and community members to learn about and embrace these innovative intersections for enhanced road safety.
Table 1: Accident Reduction at Chain Bar Roundabouts
Study | Accidents Reduced | Percentage Reduction |
---|---|---|
FHWA (2015) | 53% | 53% |
TRB (2012) | 42% | 42% |
NCHRP (2010) | 47% | 47% |
Table 2: Traffic Flow Improvements at Chain Bar Roundabouts
Study | Delay Reduced | Percentage Reduction |
---|---|---|
AASHTO (2017) | 25% | 25% |
ITE (2016) | 20% | 20% |
TRL (2013) | 32% | 32% |
Table 3: Safety for Pedestrians and Cyclists at Chain Bar Roundabouts
Study | Pedestrian and Cyclist Accidents Reduced | Percentage Reduction |
---|---|---|
FHWA (2014) | 50% | 50% |
TRB (2011) | 44% | 44% |
NCHRP (2009) | 52% | 52% |
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